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foam-extend4.1-coherent-io/applications/solvers/combustion/dieselFoam/pEqn.H
2010-08-26 15:22:03 +01:00

72 lines
1.3 KiB
C

rho = thermo.rho();
volScalarField rUA = 1.0/UEqn.A();
U = rUA*UEqn.H();
if (transonic)
{
surfaceScalarField phid
(
"phid",
fvc::interpolate(psi)
*(
(fvc::interpolate(U) & mesh.Sf())
+ fvc::ddtPhiCorr(rUA, rho, U, phi)
)
);
for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
{
fvScalarMatrix pEqn
(
fvm::ddt(psi, p)
+ fvm::div(phid, p)
- fvm::laplacian(rho*rUA, p)
==
Sevap
);
pEqn.solve();
if (nonOrth == nNonOrthCorr)
{
phi == pEqn.flux();
}
}
}
else
{
phi =
fvc::interpolate(rho)*
(
(fvc::interpolate(U) & mesh.Sf())
+ fvc::ddtPhiCorr(rUA, rho, U, phi)
);
for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
{
fvScalarMatrix pEqn
(
fvm::ddt(psi, p)
+ fvc::div(phi)
- fvm::laplacian(rho*rUA, p)
==
Sevap
);
pEqn.solve();
if (nonOrth == nNonOrthCorr)
{
phi += pEqn.flux();
}
}
}
#include "rhoEqn.H"
#include "compressibleContinuityErrs.H"
U -= rUA*fvc::grad(p);
U.correctBoundaryConditions();
DpDt = fvc::DDt(surfaceScalarField("phiU", phi/fvc::interpolate(rho)), p);